code: def test_error_parse_first_level(self, filename):
      with pytest.raises(ValueError, match="Unsupported file format"):
          assert parse_filename(filename, self.SUPPORTED_FORMAT)
  
file_path: airflow/tests/providers/slack/utils/test_utils.py
imports: from __future__ import annotations
  import pytest
  from airflow.providers.slack.utils import ConnectionExtraConfig, parse_filename
label_desc: Use image node_id 3 for calling the TestParseFilename obj's underlying member method code with example usage: obj.test_error_parse_first_level(filename) without return types